1. If you are trying to connect your bdevice to your computer using a USB cable, verify that the USB cable is not damaged.
2. If you are trying to connect your device to your computer using Bluetooth® technology, verify that your device is within range of your computer (a typical range is approximately 10 m).
3. Verify that your device is charged.
4. On your computer, turn off synchronization applications or antivirus applications temporarily